diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 4abefd9..e00ba12 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -409,6 +409,10 @@
 
 	usb_musb_init();
 	omap3beagle_flash_init();
+
+	/* Ensure SDRC pins are mux'd for self-refresh */
+	omap_cfg_reg(H16_34XX_SDRC_CKE0);
+	omap_cfg_reg(H17_34XX_SDRC_CKE1);
 }
 
 static void __init omap3_beagle_map_io(void)
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 9b991ce..864ee3d 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -40,6 +40,7 @@
 #include <mach/mcspi.h>
 #include <mach/usb.h>
 #include <mach/keypad.h>
+#include <mach/mux.h>
 
 #include "sdram-micron-mt46h32m32lf-6.h"
 #include "mmc-twl4030.h"
@@ -398,6 +399,10 @@
 	omap3pandora_ads7846_init();
 	pandora_keys_gpio_init();
 	usb_musb_init();
+
+	/* Ensure SDRC pins are mux'd for self-refresh */
+	omap_cfg_reg(H16_34XX_SDRC_CKE0);
+	omap_cfg_reg(H17_34XX_SDRC_CKE1);
 }
 
 static void __init omap3pandora_map_io(void)
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 44bc1c5..6b171b3 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -44,6 +44,7 @@
 #include <mach/gpmc.h>
 #include <mach/hardware.h>
 #include <mach/nand.h>
+#include <mach/mux.h>
 #include <mach/usb.h>
 
 #include "sdram-micron-mt46h32m32lf-6.h"
@@ -396,6 +397,10 @@
 	overo_ads7846_init();
 	overo_init_smsc911x();
 
+	/* Ensure SDRC pins are mux'd for self-refresh */
+	omap_cfg_reg(H16_34XX_SDRC_CKE0);
+	omap_cfg_reg(H17_34XX_SDRC_CKE1);
+
 	if ((gpio_request(OVERO_GPIO_W2W_NRESET,
 			  "OVERO_GPIO_W2W_NRESET") == 0) &&
 	    (gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) {
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index 591ae8a..1c9e07f 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -75,6 +75,10 @@
 	omap_serial_init();
 	usb_musb_init();
 	rx51_peripherals_init();
+
+	/* Ensure SDRC pins are mux'd for self-refresh */
+	omap_cfg_reg(H16_34XX_SDRC_CKE0);
+	omap_cfg_reg(H17_34XX_SDRC_CKE1);
 }
 
 static void __init rx51_map_io(void)
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 026c4fc..43d6b92 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -486,6 +486,12 @@
 		OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_OUTPUT)
 MUX_CFG_34XX("J25_34XX_GPIO170", 0x1c6,
 		OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_INPUT)
+
+/* OMAP3 SDRC CKE signals to SDR/DDR ram chips */
+MUX_CFG_34XX("H16_34XX_SDRC_CKE0", 0x262,
+		OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_OUTPUT)
+MUX_CFG_34XX("H17_34XX_SDRC_CKE1", 0x264,
+		OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_OUTPUT)
 };
 
 #define OMAP34XX_PINS_SZ	ARRAY_SIZE(omap34xx_pins)
diff --git a/arch/arm/plat-omap/include/mach/mux.h b/arch/arm/plat-omap/include/mach/mux.h
index 85a6217..80281c4 100644
--- a/arch/arm/plat-omap/include/mach/mux.h
+++ b/arch/arm/plat-omap/include/mach/mux.h
@@ -853,6 +853,10 @@
 	AE5_34XX_GPIO143,
 	H19_34XX_GPIO164_OUT,
 	J25_34XX_GPIO170,
+
+	/* OMAP3 SDRC CKE signals to SDR/DDR ram chips */
+	H16_34XX_SDRC_CKE0,
+	H17_34XX_SDRC_CKE1,
 };
 
 struct omap_mux_cfg {